/**
 * @file  XTPCalendarShadowDrawer.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

#if !defined(_XTPCALENDARSHADOWDRAWER_H__)
#	define _XTPCALENDARSHADOWDRAWER_H__

#	if _MSC_VER > 1000
#		pragma once
#	endif // _MSC_VER > 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

/**
 * @brief
 * This is a helper class which handles shadows drawing (for events, etc).
 */
class _XTP_EXT_CLASS CXTPCalendarShadowDrawer
{
public:
	/**
	 * @brief
	 * Constructs the object and initializes.
	 *
	 * @param pDC A pointer to the device context.
	 * @param dMaxAlpha The maximum value for the alpha channel.
	 */
	CXTPCalendarShadowDrawer(CDC* pDC, double dMaxAlpha);

	/**
	 * @brief
	 * Destroy the CXTPCalendarShadowDrawer and does the cleanups.
	 */
	virtual ~CXTPCalendarShadowDrawer();

	/**
	 * @brief
	 * Call this function to get the alpha pixel.
	 *
	 * @param crPixel The color of the pixel.
	 * @param i The alpha value.
	 *
	 * @return The alpha pixel value.
	 */
	static COLORREF AFX_CDECL AlphaPixel(const COLORREF crPixel, const UINT i);

	/**
	 * @brief
	 * Call this function to check whether the input is within the limit of
	 * 0 and 255.
	 *
	 * @param iValue - The input.
	 *
	 * @return The returns 0 if the input is less than 0 and 255 if it is greater than
	 *		  255, else returns the value.
	 */
	static int AFX_CDECL CheckValue(int iValue);

	enum XTPShadowPart
	{
		// Regular theme - Office 2003
		xtpShadowLR = 0,
		xtpShadowTB = 1,
		xtpShadowTR = 2,
		xtpShadowBR = 3,
		xtpShadowBL = 4,
		// Office 2007 Theme
		xtpShadow2007Right		 = 5,
		xtpShadow2007Bottom		 = 6,
		xtpShadow2007TopRight	= 7,
		xtpShadow2007BottomRight = 8,
		xtpShadow2007BottomLeft  = 9,
		xtpShadow2007Center		 = 10

	};
	/**
	 * @brief
	 * Generic drawing of the shadow rectangle part.
	 *
	 * @param rcShadow rectangle to draw.
	 * @param part XTPShadowPart.
	 */
	void DrawShadowRectPart(const CRect& rcShadow, const XTPShadowPart part);

	// Methods for Office 2003 theme

	/**
	 * @brief
	 * Applied shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadowLR(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applied shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadowTB(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadowTR(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);
	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadowBR(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadowBL(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	// methods for Office 2007 theme

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007Right(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007Bottom(UINT* pBitmap, const ULONG ulBitmapWidth,
							   const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007TR(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007BL(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007BR(UINT* pBitmap, const ULONG ulBitmapWidth, const ULONG ulBitmapHeight);

	/**
	 * @brief
	 * Applies shadow to bitmap.
	 *
	 * @param pBitmap UINT*.
	 * @param ulBitmapWidth ULONG.
	 * @param ulBitmapHeight ULONG.
	 */
	void ApplyShadow2007Center(UINT* pBitmap, const ULONG ulBitmapWidth,
							   const ULONG ulBitmapHeight);

protected:
	CDC* m_pDC;			/**< drawing device context */
	double m_dMaxAlpha; /**< maximal shadow alpha grade */

private:
};

#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif // !defined(_XTPCALENDARSHADOWDRAWER_H__)